RT Journal Article SR Electronic T1 The Ins and Outs on Pathogen Screening JF Science JO Science FD American Association for the Advancement of Science SP 1472 OP 1472 DO 10.1126/science.300.5625.1472n VO 300 IS 5625 YR 2003 UL http://science.sciencemag.org/content/300/5625/1472.14.abstract AB